How do I print a name in bash?
You can use ${FUNCNAME[0]} in bash to get the function name. An array variable containing the names of all shell functions currently in the execution call stack. The element with index 0 is the name of any currently-executing shell function. The bottom-most element (the one with the highest index) is “main”.
How do you call a function in bash?
To invoke a bash function, simply use the function name. Commands between the curly braces are executed whenever the function is called in the shell script. The function definition must be placed before any calls to the function.
How to find the name of a function in Bash?
An array variable containing the names of all shell functions currently in the execution call stack. The element with index 0 is the name of any currently-executing shell function. The bottom-most element (the one with the highest index) is “main”. This variable exists only when a shell function is executing.
When to use funcname instead of func name in Bash?
When bash arrays are accessed without an index the first element of the array will be returned, so $FUNCNAME will work in simple cases to provide the name of the immediately current function, but it also contains all other functions in the call stack.
When do you execute a function in Bash?
Commands between the curly braces are executed whenever the function is called in the shell script. The function definition must be placed before any calls to the function. When using single line “compacted” functions, a semicolon ; must follow the last command in the function.
What does the funcnest variable do in Bash?
The FUNCNEST variable, if set to a numeric value greater than 0, defines a maximum function nesting level. Function invocations that exceed the limit cause the entire command to abort. If the builtin command return is executed in a function, the function completes and execution resumes with the next command after the function call.